{"id":71733,"date":"2004-10-12T00:00:00","date_gmt":"2004-10-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/inhibidores-de-la-nitrificacion-fitotoxicidad-e-induccion-de-la-nutricion-amoniacal\/"},"modified":"2004-10-12T00:00:00","modified_gmt":"2004-10-12T00:00:00","slug":"inhibidores-de-la-nitrificacion-fitotoxicidad-e-induccion-de-la-nutricion-amoniacal","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/inhibidores-de-la-nitrificacion-fitotoxicidad-e-induccion-de-la-nutricion-amoniacal\/","title":{"rendered":"Inhibidores de la nitrificacion fitotoxicidad e induccion de la nutricion amoniacal"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Melissa Belastegui Xana <\/strong><\/h2>\n<p>En este estudio se ha evaluado por un lado la posible fototoxicidad del empleo de los inhibidores de la nitrificaci\u00f3n dcd y dmpp y, por otro lado, la tolerancia del tr\u00e9bol y del raigr\u00e1s a la nutrici\u00f3n amoniacal.  los resultados demuestran que el dcd produce un efecto fitot\u00f3xico per se en tr\u00e9bol y lechuga, ambas especies de hoja ancha, mientras que con el dmpp no se observan s\u00edntomas visuales de fototoxicidad. La fototoxicidad del dcd est\u00e1 relacionada con la inducci\u00f3n de un desequilibrio i\u00f3nico que probablemente tenga que ver con su aparente capacidad quelante de cationes divalentes. As\u00ed mismo, su aplicaci\u00f3n induce un aumento en la actividad de la ruta alternativa de la respiraci\u00f3n mitocondrial y un aumento en la tasa de respiraci\u00f3n residual, s\u00edntomas de una posible inducci\u00f3n de estr\u00e9s oxidativo.  el estudio del efecto de la nutrici\u00f3n amoniacal en tr\u00e9bol y raigr\u00e1s revel\u00f3 que ambas especies toleran este tipo de nutrici\u00f3n, aunque mediante estrategias diferentes. Con la nutrici\u00f3n amoniacal la acumulaci\u00f3n de amonio en ra\u00edz es mayor en raigr\u00e1s que en tr\u00e9bol. La asimilaci\u00f3n de amonio tiene lugar principalmente en ra\u00edz mediante el ciclo gs\/gogat en ambas especies, si bien se da tambi\u00e9n en hoja. As\u00ed, se observa la existencia de transporte de amonio v\u00eda xilema. Con la aplicaci\u00f3n de concentraciones crecientes de amonio externo, en la ra\u00edz de ambas especies aumenta el contenido de las prote\u00ednas gdh y gs, observ\u00e1ndose tambi\u00e9n un aumento de la actividad gdh, aunque en menor medida en raigr\u00e1s que en tr\u00e9bol. En ambas especies probablemente la actividad gdh est\u00e1 proporcionando 2-oxoglutarato para mantener la integridad del ciclo de los \u00e1cidos tricarbox\u00edlicos, necesaria para el aporte de esqueletos carbonados. Este papel de la gdh ser\u00eda importante especialmente en el tr\u00e9bol, mientras que en el raigr\u00e1s la contribuci\u00f3n de las actividades icdh y pepcasa ser\u00eda m\u00e1s relevante que e el tr\u00e9bol.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Inhibidores de la nitrificacion fitotoxicidad e induccion de la nutricion amoniacal<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Inhibidores de la nitrificacion fitotoxicidad e induccion de la nutricion amoniacal <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Melissa Belastegui Xana <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 10\/12\/2004<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Carmen Gonzalez Murua<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Aparicio tejo pedro Mar\u00eda <\/li>\n<li>Juan  Luis Serra ferrer (vocal)<\/li>\n<li>Mar\u00eda  amelia Martins louacao (vocal)<\/li>\n<li>bertrand Hirel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Melissa Belastegui Xana En este estudio se ha evaluado por un lado la posible fototoxicidad del empleo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[972,494,35,479,2309,12909,1769,2089],"tags":[75806,156215,13122,4474,156214,156213],"class_list":["post-71733","post","type-post","status-publish","format-standard","hentry","category-botanica","category-ciencias-agrarias","category-ciencias-de-la-vida","category-fisiologia-vegetal","category-nutricion-vegetal","category-pais-vasco-euskal-herriko-unibertsitatea","category-quimica-agricola","category-utilizacion-de-fertilizantes","tag-aparicio-tejo-pedro-maria","tag-bertrand-hirel","tag-carmen-gonzalez-murua","tag-juan-luis-serra-ferrer","tag-maria-amelia-martins-louacao","tag-melissa-belastegui-xana"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/71733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=71733"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/71733\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=71733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=71733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=71733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}